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2
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Is it possible for an airplane on the sky to play a sound so loud it could be heard 50km away?
I have a story where one side of a war takes advantage of psychological warfare, where a plane on an altitude of 60k ft or 15.2km has massive speakers to play horrifying, disturbing sounds recorded ...
- 429
10
votes
1
answer
251
views
Dissipating sonic booms
Alastair Reynolds is a contemporary sci-fi writer whose works often demonstrate a strong grip on science as it presently stands. Recently, I picked up his book On The Steel Breeze for a quick re-read ...
- 6,798